Centroid Community CNC Support Forum

I will try to follow some of the advice earlier and redo stress test and spindle bench tests again. See what I can figure out.

A report would make answering these questions much easier. I would also appreciate some pictures of the VFD wiring, the Acorn wiring, and the cabinet as a whole. If you followed one of our schematics, mentioning the drawing number would also help us give more useful answers.


1. Somehow the ...

Bump, thank you!

Hello,

Questions:
1. When I plug in the acorn the spindle begins moving immediately at about 1hz speed (60hz motor). Once cnc12 comes on (and recognizes estop), spindle stops. After homing the machine (click cycle start), the spindle begins moving again at around 1hz output. What would cause this ...

Not sure what to make of this other than the IC circled in red in your first photo is definitely damaged and I recommend our Acorn swap-out program .

Not sure how that happened although the VFD's manual stated that there is "dangerous voltage" on the analog terminals. You might need an isolator ...

I have a couple of questions, but first a little bit of background.

1. Got acorn setup and bench tested, motors spinning (kl-5056d + stepper), nice acorn schematics available. Estop wired and working
2. Started to hookup this 'soyan svd-e' vfd that came with a half finished emco 8e lathe conversion ...